run a fever and run a temperature

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run a fever

To have an abnormally high body temperature (a fever), which is indicative of or caused by illness; to have a fever. After my toddler was lethargic all day, I begin to worry that she was running a fever.
See also: fever, run

run a temperature

To have an abnormally high body temperature (a fever), which is indicative of or caused by illness. Dan: "How's Pete feeling?" Marshall: "Well, he ran a temperature last night, but he seemed a lot better this morning after some rest." I think I've started running a temperature. Maybe I should go lie down.
See also: run, temperature
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

run a fever and run a temperature

to have a body temperature higher than normal; to have a fever. I ran a fever when I had the flu. The baby is running a temperature and is grouchy.
See also: and, fever, run, temperature
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: